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September Weather in Roslavl', Russian Federation

Last updated: August 27, 2025

The average temperature in Roslavl', Russian Federation during September is 13°C (55°F). Expect temperatures to vary, with a minimum of -2°C (29°F) and a maximum of 29°C (84°F). Additionally, precipitation measures around 57 mm (2.2 in) over 9 days, contributing to an average humidity of 78%.

September Temperature in Roslavl'

In September in Roslavl', the average temperature is 13°C (55°F), with maximums reaching 29°C (84°F) and minimums dipping as low as -2°C (29°F). This makes it a great time for traveling, as you can experience a comfortable climate with a range of temperatures suitable for various outdoor activities.

September Weather in Roslavl': Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Roslavl', showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roslavl', September typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec242533435564656455453528
Data source: Temperature data for Roslavl' generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Roslavl'

In Roslavl' in September, the total precipitation amount is 57 mm (2.2 in) over the course of 9 days.

September Precipitation Trends in Roslavl'

The chart displays monthly precipitation patterns in Roslavl', with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Roslavl', September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4646414473851237857544363
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Roslavl'

In Roslavl' in September, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

September Average Humidity in Roslavl'

This chart illustrates the average monthly humidity levels in Roslavl', with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Roslavl' is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%92%91%83%71%72%70%68%78%89%93%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Roslavl'

In Roslavl' in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Roslavl'.

Maximum UV Index Levels in Roslavl' for September

The chart shows the monthly maximum UV Index (UVI) for Roslavl' in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Roslavl' typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224568775321
Data source: Roslavl' September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Roslavl' Compares to Other Months

Weather in Roslavl' varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Roslavl', focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Roslavl', showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)46 mm (1.8 inches)97%low
February Weather-4°C (25°F)46 mm (1.8 inches)92%low
March Weather0°C (33°F)41 mm (1.6 inches)91%moderate
April Weather6°C (44°F)44 mm (1.7 inches)83%moderate
May Weather13°C (55°F)73 mm (2.9 inches)71%high
June Weather18°C (64°F)85 mm (3.4 inches)72%very high
July Weather18°C (65°F)123 mm (4.8 inches)70%high
August Weather18°C (64°F)78 mm (3.1 inches)68%high
September Weather13°C (55°F)57 mm (2.2 inches)78%moderate
October Weather7°C (46°F)54 mm (2.1 inches)89%moderate
November Weather1°C (35°F)42 mm (1.7 inches)93%low
December Weather-2°C (28°F)63 mm (2.5 inches)95%low

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